AirHint found the following cheapest return flights from Osaka (ITM) to London (LHR) in December 2025 (see full year).

Return flights

18 Dec - 08 Jan	British Airways
02 Dec - 06 Dec	Japan Airlines
22 Dec - 31 Dec	British Airways
17 Dec - 07 Jan	British Airways
17 Dec - 28 Dec	British Airways
12 Dec - 15 Dec	Japan Airlines
21 Dec - 25 Dec	British Airways
21 Dec - 26 Dec	British Airways
22 Dec - 26 Dec	British Airways
20 Dec - 26 Dec	British Airways
22 Dec - 30 Dec	British Airways
07 Dec - 14 Dec	British Airways
21 Dec - 04 Jan	British Airways
22 Dec - 04 Jan	British Airways
23 Dec - 01 Jan	Lufthansa
23 Dec - 04 Jan	Lufthansa
22 Dec - 01 Jan	British Airways
25 Dec - 04 Jan	ANA
21 Dec - 03 Jan	British Airways
31 Dec - 06 Jan	British Airways

Also check the deals for one-way flights from Osaka to London in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Osaka to London in December from 950€

Return flights